[castnblast]

Load a squib load with no primer and just a bullet. No primer will keep you from accidentally loading it in the future. Seat your bullet. Measure the shoulder. If it is larger, then you are crushing the shoulder with the bullet seat. If that is the case the. Re set your bullet seat die by placing a case in the die, and turning the bullet seat die in until you feel it hit the neck. Then back the bullet seat out 1 complete turn and set your set screw. Adjust the bullet seat to your desires col using top adjustment.

If the shoulder is not crushed, the use a full length resize.

Make sure you discard the squib you just made after you are done.